# TUNZE vs SureMark Enterprise

The clearest difference is ads: SureMark Enterprise at none against TUNZE's shown. SureMark Enterprise also leads on update cadence (every 6 days vs every 2 months) and monetization model (free vs free with in-app purchases). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TUNZE ships an update every 2 months, SureMark Enterprise every 6 days. The most recent releases landed on October 5, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | TUNZE | SureMark Enterprise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/suremark-enterprise/id6765613167/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 67 MB | 71 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [fynix GmbH](https://appshunter.io/developer/1733023937) | [SureMark Digital Identity Services Inc.](https://appshunter.io/developer/1849716179) |

## What reviewers say

### TUNZE

[App page](https://appshunter.io/ios/app/tunze/id6499044488)

Control TUNZE devices like pumps and controllers from a central app. It offers analysis and maintenance features for marine aquariums, helping to stabilize water chemistry and technology for a healthy environment.

**Highlights:** Centralized device control, Pump and controller management, Intelligent accessory features, Water chemistry analysis, Maintenance tracking, Marine aquarium companion

**Features:** macOS Compatibility, Family Sharing

**In-app purchases:** none


### SureMark Enterprise

[App page](https://appshunter.io/ios/app/suremark-enterprise/id6765613167)

This app provides real-time identity verification for organizations, ensuring that communications and requests come from authorized individuals. It combats sophisticated impersonation across calls, video, messages, and web, offering instant, trustworthy confirmation.

**Highlights:** Real-time identity verification, Impersonation-proof security, Verification across calls, video, and messages, Enterprise integration, One-tap challenge and response, Privacy and governance focused

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TUNZE free?

TUNZE is free to download, with no in-app purchases.

### Is SureMark Enterprise free?

SureMark Enterprise is free to download, with no in-app purchases.

### Do TUNZE or SureMark Enterprise have ads?

TUNZE shows ads; SureMark Enterprise does not.

### Which is updated more often, TUNZE or SureMark Enterprise?

TUNZE ships an update every 2 months, and SureMark Enterprise every 6 days. Most recently, TUNZE was updated on October 5, 2026 and SureMark Enterprise on September 29, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*